Infiniti G37 Coupe. Manual — part 1073

SB-14

< ON-VEHICLE REPAIR >

TOP TETHER STRAP CHILD RESTRAINT

TOP TETHER STRAP CHILD RESTRAINT

Exploded View

INFOID:0000000001728797

Removal and Installation

INFOID:0000000001728798

REMOVAL

CAUTION:

Replace anchor bolts if they are deformed or worn out.

1.

Remove the top tether strap child restraint cover. Refer to

INT-17, "Removal and Installation"

.

2.

Remove the top tether strap child restraint.

INSTALLATION

Install in the reverse order of removal.

1.

Anchor bolt

2.

Anchor plate

3.

Spacer

4.

Fiber washer

Refer to

GI-4, "Components"

for symbols in the figure.

JMHIA0436GB

SBC-1

RESTRAINTS

C

D

E

F

G

I

J

K

L

M

SECTION

SBC

A

B

SBC

N

O

P

CONTENTS

SEAT BELT CONTROL SYSTEM

BASIC INSPECTION . . . . . . . . .

3

DIAGNOSIS AND REPAIR WORKFLOW . . ..

3

Work Flow . . . . . . . . . . . . . . . .....

3

FUNCTION DIAGNOSIS . . . . . . . ...

6

SEAT BELT TENSION REDUCER SYSTEM . .

6

System Diagram . . . . . . . . . . . . . ....

6

System Description . . . . . . . . . . . . ...

6

Component Parts Location . . . . . . . . . ....

7

Component Description . . . . . . . . . . .....

7

PRE-CRASH SEAT BELT SYSTEM . . . . ...

8

System Diagram . . . . . . . . . . . . . ....

8

System Description . . . . . . . . . . . . ...

8

Component Parts Location . . . . . . . . . ..

10

Component Description . . . . . . . . . . ...

10

ON BOARD DIAGNOSTIC (OBD) SYSTEM . ..

11

Diagnosis Description . . . . . . . . . . . .

11

CONSULT-III Function . . . . . . . . . . .

11

COMPONENT DIAGNOSIS . . . . . . .

13

U1000 CAN COMM CIRCUIT . . . . . . . .

13

Description . . . . . . . . . . . . . . . ..

13

DTC Logic . . . . . . . . . . . . . . . ...

13

B2451 SB MOTOR RH CIRC . . . . . . . .

14

Description . . . . . . . . . . . . . . . ..

14

DTC Logic . . . . . . . . . . . . . . . ...

14

Diagnosis Procedure . . . . . . . . . . . ...

14

Component Inspection . . . . . . . . . . .

14

B2452 SB MOTOR LH CIRC . . . . . . . .

16

Description . . . . . . . . . . . . . . . ..

16

DTC Logic . . . . . . . . . . . . . . . ...

16

Diagnosis Procedure . . . . . . . . . . . ...

16

Component Inspection . . . . . . . . . . .

16

B2453 BR STROK SEN CIRC . . . . . . ...

18

Description . . . . . . . . . . . . . . . ...

18

DTC Logic . . . . . . . . . . . . . . . .

18

Diagnosis Procedure . . . . . . . . . . . ...

18

Component Inspection . . . . . . . . . . . .

19

B2454 MOTOR PWR SUP CIRC . . . . . ..

20

Description . . . . . . . . . . . . . . . ...

20

DTC Logic . . . . . . . . . . . . . . . .

20

Diagnosis Procedure . . . . . . . . . . . ...

20

B2455 PSB C/U INT CIRCUIT . . . . . . ..

21

Description . . . . . . . . . . . . . . . ...

21

DTC Logic . . . . . . . . . . . . . . . .

21

BRAKE PEDAL STROKE SENSOR SHIELD
WIRE CIRCUIT CHECK . . . . . . . . .

22

Description . . . . . . . . . . . . . . . ...

22

Component Function Check . . . . . . . . .

22

SEAT BELT BUCKLE SWITCH (DRIVER
SIDE) CIRCUIT CHECK . . . . . . . . .

23

Description . . . . . . . . . . . . . . . ...

23

Component Function Check . . . . . . . . .

23

Component Inspection (Driver seat belt buckle
switch) . . . . . . . . . . . . . . . . . .

23

Component Inspection (Driver seat belt buckle
switch ground circuit) . . . . . . . . . . . ...

24

SEAT BELT BUCKLE SWITCH (PASSEN-
GER SIDE) CIRCUIT CHECK . . . . . . ...

25

Description . . . . . . . . . . . . . . . ...

25

Component Function Check . . . . . . . . .

25

Component Inspection (Passenger seat belt buck-
le switch) . . . . . . . . . . . . . . . . ..

25

Component Inspection (Passenger seat belt side
buckle switch ground circuit) . . . . . . . . ...

26

IGNITION POWER SUPPLY CIRCUIT
CHECK . . . . . . . . . . . . . . . ..

27

Description . . . . . . . . . . . . . . . ...

27

Component Function Check . . . . . . . . .

27

SBC-2

PRE-CRASH SEAT BELT CONTROL UNIT
GROUND CIRCUIT CHECK . . . . . . . ..

28

Description . . . . . . . . . . . . . . . ..

28

Component Function Check . . . . . . . . ...

28

ECU DIAGNOSIS . . . . . . . . . .

29

PRE-CRASH SEAT BELT CONTROL UNIT . .

29

Reference Value . . . . . . . . . . . . . .

29

Fail Safe . . . . . . . . . . . . . . . . .

30

DTC Index . . . . . . . . . . . . . . . ..

30

Wiring Diagram - SEAT BELT CONTROL SYS-
TEM - . . . . . . . . . . . . . . . . . ..

31

SYMPTOM DIAGNOSIS . . . . . . . .

36

PRE-CRASH SEAT BELT SYSTEM . . . . .

36

Description . . . . . . . . . . . . . . . ..

36

Symptom Table . . . . . . . . . . . . . ..

36

PRECAUTION . . . . . . . . . . .

37

PRECAUTIONS . . . . . . . . . . . . .

37

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . .

37

Precaution for Seat Belt Service . . . . . . . .

37

Precaution for Battery Service . . . . . . . .

38

ON-VEHICLE MAINTENANCE . . . . ..

39

BRAKE PEDAL STROKE SENSOR . . . . .

39

Exploded View . . . . . . . . . . . . . .

39

Removal and Installation . . . . . . . . . . .

39

PRE-CRASH SEAT BELT CONTROL UNIT . .

40

Exploded View . . . . . . . . . . . . . .

40

Removal and Installation . . . . . . . . . . .

40

DIAGNOSIS AND REPAIR WORKFLOW

SBC-3

< BASIC INSPECTION >

C

D

E

F

G

I

J

K

L

M

A

B

SBC

N

O

P

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000001711963

1.

GET INFORMATION FOR SYSTEM

Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicles in.

>> GO TO 2.

2.

STUDY AND UNDERSTAND THE SYSTEM DESCRIPTION

Understand the operation condition or non-operation condition of pre-crash seat belt. Refer to

SBC-8, "System

Description"

.

>> GO TO 3.

JMHIA0429GB